/*
 * Copyright (c) 2023 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import 'package:flutter/cupertino.dart';
import 'package:xml/xml.dart';

import '../common/test_page.dart';

class NamespaceTestPage extends TestPage {
  NamespaceTestPage(String title, {Key? key}) : super(title, key: key) {
    test('default namespace', () {
      final document = XmlDocument.parse('<html xmlns="http://www.w3.org/1999/xhtml">'
          '  <body lang="en"/>'
          '</html>');
      final nodes = List.from(document.descendants)..add(document);
      for (final node in nodes) {
        if (node is XmlAttribute && node.namespacePrefix == 'xmlns') {
          break;
        }
        if (node is XmlHasName) {
          expect(node.namespaceUri, 'http://www.w3.org/1999/xhtml');
        }
      }
    });
    test('prefix namespace', () {
      final document = XmlDocument.parse('<xhtml:html xmlns:xhtml="http://www.w3.org/1999/xhtml">'
          '  <xhtml:body xhtml:lang="en"/>'
          '</xhtml:html>');
      final nodes = List.from(document.descendants)..add(document);
      for (final node in nodes) {
        if (node is XmlAttribute && node.namespacePrefix == 'xmlns') {
          break;
        }
        if (node is XmlHasName) {
          expect(node.namespaceUri, 'http://www.w3.org/1999/xhtml');
        }
      }
    });
  }
}
